left atrium
(left---a---tri---um)
4 syllables
Definition
noun. The upper left chamber of the heart that receives oxygenated blood from the pulmonary veins and pumps it into the left ventricle.
Example Sentence
The left atrium plays a crucial role in the circulatory system by receiving oxygen-rich blood from the lungs.
More Example Sentences
Doctors examined the left atrium to ensure there were no blockages affecting blood flow.
Synonyms
left heart chamber; atrium sinistrum; left upper chamber
Antonyms
right atrium; left ventricle; right ventricle
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left atrium
